Ch 17 Flashcards
Egg cell
The reproductive cell from the female that joins with a sperm cell to make new life.
Fertilization
The joining together of a male sperm and female egg.
Sperm cell
The cell from the male that enters the egg during fertilization
Uterus
Pear shaped organ inside a females body where the embryo is protected of nurtured.
Embryo
The developing organism from fertilization to about the eighth week of its devlopment.
Fetus
The developing origin isma from the end of the eighth week to birth.
Placenta
Thick rich tissue that lines the walls of the uterus during pregnancy and that nourishes the fetus.
Umbilical cord
A tube that connects the mothers placenta to the fetus.
Cervix
The entry to the uterus dilates.
Heredity
The passing of traits from parents to their children
Chromosomes
Threadlike structures found within the nucleas of the cell that carry the codes for inherited traits.
Genes
The basic unit of heredity
Genetic disorder
A disorder caused partly by or completely by a defect in genes
Prenatal care
Step taken to provide for the health of a pregnant female and her baby.
Birth defects
Abnormalities present at birth that cause physical or mental disability or death
Developmental tasks
Events that need to happen in order for you to grow toward becoming a healthy mature adult.
Infancy
The first year of life
Toddlers
Children between the ages of one and three who are learning to walk and talk.
Preschoolers
Children between the ages of three and five
Puberty
The time when you start developing phisical charteristics of adults of your gender.
Chrono age
Age measured in years
Bio age
Age determined by how well various body parts that are working
Social age
age mesured by your life style.
